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Article: A formal theory of the conductivity and application to the giant magnetoresistance

TitleA formal theory of the conductivity and application to the giant magnetoresistance
Authors
Sheng, LWang, ZDXing, DYZhu, JX
Issue Date1996
PublisherSpringer Verlag. The Journal's web site is located at http://www.edpsciences.org/journal/index.cfm?edpsname=epjb
Citation
Zeitschrift Fur Physik B-Condensed Matter, 1996, v. 100 n. 3, p. 469-475 How to Cite?
AbstractThe transport in a system with inhomogeneous elastic scattering is described in terms of a probability-conserved Boltzmann equation. We demonstrate that the spatially varied current density depends only on the voltage drop between the ends of the sample. This fact enables us to develop a formal and general theory for the conductivity without determining the actual electric field inside the sample. The theory is first applied to multilayer systems and shown to recover the previous theory. By including the spin-dependent interface scattering and bulk scattering, we employ our theory to account for the giant magnetoresistance (MR) in magnetic granular systems with both spherical and cylindrical granules. The results obtained reproduce the experimental dependence of the MR on annealing temperature. © Springer-Verlag 1996.
Persistent Identifierhttp://hdl.handle.net/10722/174886
ISSN
0722-3277
ISI Accession Number ID
WOS:A1996UU76000021
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorSheng, Len_US
dc.contributor.authorWang, ZDen_US
dc.contributor.authorXing, DYen_US
dc.contributor.authorZhu, JXen_US
dc.date.accessioned2012-11-26T08:47:58Z-
dc.date.available2012-11-26T08:47:58Z-
dc.date.issued1996en_US
dc.identifier.citationZeitschrift Fur Physik B-Condensed Matter, 1996, v. 100 n. 3, p. 469-475en_US
dc.identifier.issn0722-3277en_US
dc.identifier.urihttp://hdl.handle.net/10722/174886-
dc.description.abstractThe transport in a system with inhomogeneous elastic scattering is described in terms of a probability-conserved Boltzmann equation. We demonstrate that the spatially varied current density depends only on the voltage drop between the ends of the sample. This fact enables us to develop a formal and general theory for the conductivity without determining the actual electric field inside the sample. The theory is first applied to multilayer systems and shown to recover the previous theory. By including the spin-dependent interface scattering and bulk scattering, we employ our theory to account for the giant magnetoresistance (MR) in magnetic granular systems with both spherical and cylindrical granules. The results obtained reproduce the experimental dependence of the MR on annealing temperature. © Springer-Verlag 1996.en_US
dc.languageengen_US
dc.publisherSpringer Verlag. The Journal's web site is located at http://www.edpsciences.org/journal/index.cfm?edpsname=epjben_US
dc.relation.ispartofZeitschrift fur Physik B-Condensed Matteren_US
dc.titleA formal theory of the conductivity and application to the giant magnetoresistanceen_US
dc.typeArticleen_US
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_US
dc.identifier.authorityWang, ZD=rp00802en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0346931756en_US
dc.identifier.hkuros20159-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0346931756&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume100en_US
dc.identifier.issue3en_US
dc.identifier.spage469en_US
dc.identifier.epage475en_US
dc.identifier.isiWOS:A1996UU76000021-
dc.publisher.placeGermanyen_US
dc.identifier.scopusauthoridSheng, L=7102436395en_US
dc.identifier.scopusauthoridWang, ZD=14828459100en_US
dc.identifier.scopusauthoridXing, DY=7202670397en_US
dc.identifier.scopusauthoridZhu, JX=7405688302en_US
dc.identifier.issnl0722-3277-

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